Two numbers X and Y are given by X=2×5 and Y=2×7. Then prime factorization of X⋅Y is
A
4×35
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B
4×5×7
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C
22×5×7
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Solution
The correct option is C22×5×7 X=2×5, which is a prime factorization of 10. Y=2×7, which is a prime factorization of 14.
Prime factorisation of X⋅Y= 10 × 14 =140=22×5×7